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SUH 309

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SUH 3 SUH 309
#SUH-3

Description

Japan JIS G 4311 (2011), SUH 309 Specialsteel Heat-resisting steel bars and wire rods and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: SUH 309
Category Class Grade Type Standard Country Application
Steel GradesSpecialsteel SUH 309 Martensite JIS Japan Heat-resisting steel bars and wire rods

Chemical composition(mass fraction)(wt.%) of the SUH 309

C Si Mn P S Cr Ni Mo
0.35 -0.45 1.80 -2.50 ≤0.60 ≤0.03 ≤0.03 10.00 -12.00 ≤0.60 0.70 -1.30

Mechanical Properties of steel grade SUH 309

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
562 (≥) 141 (≥) 34 11 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade SUH 309

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
11 - -     0.13 -  
184 293 - 34.3 443   -  
198 - 44 41.2   333 112

Heat Treatment of steel grade SUH 309

Heat treated : 1694°C - 1781°C

Technological Curves of steel grade SUH 309

Relevant standard of SUH 309

G 4311 (2011) Heat-resisting steel bars and wire rods G-4311-(2011).pdf
SUH 3 SUH 309
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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